document.write( "Question 891794: In a right angled triangle ABC, length of the hypotenuese AC= 10cm. Seg BD perpendicular to seg AC. l(BD) = 4.8cm. Find l(AB) \n" ); document.write( "
Algebra.Com's Answer #540127 by JulietG(1812)\"\" \"About 
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(wondering how segment BD got in there when the triangle is ABC)
\n" ); document.write( ".
\n" ); document.write( "\"a%5E2\"+\"b%5E2\"=\"c%5E2\"
\n" ); document.write( "You're given C as 10 cm
\n" ); document.write( "You're given one leg as 4.8cm
\n" ); document.write( "You're asked to find the other. Let's plug in the known values.
\n" ); document.write( "\"a%5E2\"+4.8^2 = 10^2
\n" ); document.write( "\"a%5E2\"+ 23.04 = 100
\n" ); document.write( "Subtract 23.04 from each side
\n" ); document.write( "\"a%5E2\" = 76.96
\n" ); document.write( "Take the square root of each side
\n" ); document.write( "a = 8.77 cm (rounded)
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